Ọganihu na nyocha gbasara mfu ọkụ nke ịchaji batrị lithium

著者：Iflowpower – Lieferant von tragbaren Kraftwerken

Abstract: Nchịkọta nke ọganihu ọhụrụ na atụmanya mmepe maka nyocha batrị lithium-ion nchekwa dị elu. Ihe dị mkpa site na nkwụsi ike dị elu nke electrolytes na electrodes, ihe na-akpata nkwụsị ọkụ nke batrị lithium ion batrị na usoro ha akọwawo na usoro batrị lithium-ion nke azụmahịa dị ugbu a ezughị oke na okpomọkụ dị elu, na-atụ aro ịmepụta electrolytes okpomọkụ dị elu, mgbanwe dị mma na nke na-adịghị mma na njikwa batrị mpụga, wdg. iji chepụta batrị lithium-ion nchekwa dị elu.

Outlook na mmepe nke teknuzu atụmanya nke mmepe nke nchekwa lithium-ion batrị. 0 Okwu Mmalite Batrị ion lithium na-aghọ onye nnọchianya nke ụdị ume ọhụrụ n&39;ihi ọnụ ala ya dị ala, arụmọrụ dị elu, ike dị elu, na gburugburu ebe obibi akwụkwọ ndụ akwụkwọ ndụ, nke a na-ejikarị na ngwaahịa dijitalụ 3C, ike mkpanaka na ngwá ọrụ eletrik. N&39;ime afọ ndị na-adịbeghị anya, n&39;ihi mmetọ gburugburu ebe obibi na ntụzịaka amụma mba, ahịa ụgbọ ala eletrik na-eme ka ụgbọ ala eletrik abawanyela ọchịchọ maka batrị lithium-ion, na usoro nke ịmepụta sistemu batrị lithium-ion batrị dị elu, nsogbu nchekwa batrị dọtara mmasị dị ukwuu , Nsogbu ndị dị ugbu a chọrọ ngwa ngwa iji dozie ya ọzọ.

A na-ekpebi mgbanwe okpomọkụ nke usoro batrị site na mpụta nke okpomọkụ ma kesaa ihe abụọ. Ihe omume okpomọkụ nke batrị lithium ion dị mkpa bụ ihe kpatara mmeghachi omume n&39;etiti ire ere na ihe batrị. Belata okpomọkụ nke usoro batrị ma melite usoro nke arụmọrụ okpomọkụ dị elu, usoro batrị dị mma.

Na obere obere akụrụngwa dị ka ekwentị mkpanaaka, na laptọọpụ batrị ike bụ n&39;ozuzu ihe na-erughị 2AH, na ike-ụdị lithium-ion batrị ikike eji na electric ụgbọ ala bụ n&39;ozuzu karịa 10ah, na mpaghara okpomọkụ bụ mgbe elu karịa 55 Celsius C n&39;oge nkịtị ọrụ, na esịtidem okpomọkụ ga-eru 300 Celsius C, N&39;okpuru elu okpomọkụ ma ọ bụ nnukwu ọnụego ụgwọ na mwepu ọnọdụ, ịrị elu nke usoro okpomọkụ na-eme ka okpomọkụ n&39;akụkụ ga-emecha na-eme ka okpomọkụ dị n&39;akụkụ na-eme ka ọkụ na-eme ka ọkụ na-eme ka ọkụ na-eme ka ihe ọkụkụ na-eme ka ọ bụrụ ihe na-eme ka ọkụ ọkụ na-eme ka ihe ọkụkụ na-eme ka ọ bụrụ ihe na-eme ka ọkụ na-eme ka ihe ọkụkụ na-eme ka ọkụ na-eme ka ihe ọkụkụ na-eme ka ọkụ na-egbuke egbuke. nke njikwa na ọkụ batrị ma ọ bụ mgbawa [3]. Na mgbakwunye na ihe nzaghachi kemịkalụ nke ya, ụfọdụ ndị nwere obere sekit na-akpata site na oke ọkụ, ịfefe, na mmetụta arụrụ arụ, ụfọdụ ihe arụrụ arụ nwekwara ike ibute ọnọdụ batrị lithium-ion iji bute ihe mberede nchekwa. Ya mere, ọ dị mkpa ịmụ na melite arụmọrụ okpomọkụ dị elu nke batrị lithium-ion.

1 thermal na-enweghị njikwa na-akpata nyocha nke thermal na-achịkwa batrị lithium-ion dị mkpa n&39;ihi na okpomọkụ dị n&39;ime batrị na-ebili. Ka ọ dị ugbu a, usoro electrolyte a na-ejikarị na batrị lithium-ion azụmahịa bụ ngwọta carbonate agwakọta nke LiPF6. Ihe mgbaze dị otú ahụ nwere nnukwu volatility, obere ọkụ ọkụ, dị mfe combust.

Mgbe obere sekit dị n&39;ime ya kpatara nkukota ma ọ bụ nkwarụ, nnukwu ụgwọ ego na nkwụsị na nkwụsị, a ga-enwe nnukwu okpomọkụ, na-eme ka ọ dịkwuo elu batrị. Mgbe ị na-erute ụfọdụ okpomọkụ, usoro mmeghachi omume ire ere ga-eme ka ebibie itule okpomọkụ nke batrị ahụ. Mgbe okpomọkụ nke mmeghachi omume kemịkal ndị a na-ewepụta enweghị ike ịpụpụ n&39;oge, ọ ga-eme ka ọganihu nke mmeghachi omume dịkwuo njọ, ma kpalite usoro mmeghachi omume na-ekpo ọkụ nke onwe.

Igwe ọkụ batrị na-ebili nke ọma, ya bụ, "ọkụ na-adịghị achịkwa", na-emecha na-ebute batrị ọkụ, na ọbụna mgbawa na-eme nke ọma. N&39;ozuzu, ihe na-akpata thermal na-achịkwa batrị lithium-ion dị mkpa na nkwụsịtụ ọkụ nke electrolyte, yana nkwụsị ọkụ nke electrolyte na ịdị n&39;otu electrode dị mma na nke na-adịghị mma. Ka ọ dị ugbu a, site na akụkụ buru ibu, nchekwa nke batrị lithium-ion dị mkpa site na njikwa mpụga na ime ime iji chịkwaa okpomọkụ dị n&39;ime, voltaji, na nrụgide ikuku iji nweta ebumnuche nchekwa.

2 Kpebisie ike na usoro njikwa ọkụ adịghị 2. Mpụga njikwa 1) PTC (positive okpomọkụ ọnụọgụ) akụrụngwa: Wụnye PTC akụrụngwa na a lithium ion batrị, nke na-atụle nrụgide na okpomọkụ n&39;ime batrị, na mgbe batrị na-ekpo ọkụ site overcharge, batrị bụ 10 Nguzogide na-abawanye na-amachi ugbu a, na voltaji n&39;etiti mma na-adịghị mma okporo osisi na-ebelata ka a nchekwa voltaji na-aghọta na akpaka nchedo ọrụ nke batrị. 2) valve mgbawa: Mgbe batrị buru ibu n&39;ihi ihe na-adịghị mma, valvụ ahụ na-agbawa agbawa na-agbanwe agbanwe, nke a ga-etinye n&39;ime batrị iji jikọọ, kwụsị chaja.

3) Eletrọnịkị: 2 ~ 4 ngwugwu batrị nwere ike ime ka ihe nchekwa elektrọn elektrọnik chepụta lithium ion nchekwa, gbochie chaja na ịsafe oke, gbochie ihe ọghọm nchekwa, ịgbatị ndụ batrị. N&39;ezie, ụzọ nchịkwa ndị a dị na mpụga nwere mmetụta ụfọdụ, ma ngwaọrụ ndị a agbakwunyere agbakwunyere mgbagwoju anya na mmepụta nke batrị, ha enweghịkwa ike idozi nsogbu nke nchekwa batrị kpamkpam. Ya mere, ọ dị mkpa iji guzobe usoro nchekwa nchekwa dị n&39;ime.

2.2 Imeziwanye electrolyte electrolyte electrolyte dị ka batrị lithium ion batrị, ọdịdị nke electrolyte na-ekpebi arụmọrụ batrị, ikike batrị, oke okpomọkụ na-arụ ọrụ, arụmọrụ okirikiri na arụmọrụ nchekwa dị mkpa. Ka ọ dị ugbu a, sistemu ngwọta batrị lithium-ion azụmahịa, ihe ndị a na-ejikarị eme ihe bụ LIPF6, vinyl carbonate na linear carbonate.

N&39;ihu bụ ihe dị mkpa dị mkpa, na ojiji ha nwekwara oke ụfọdụ n&39;ihe gbasara ịrụ ọrụ batrị. N&39;otu oge ahụ, a na-eji nnukwu ihe na-esi ísì ụtọ, obere ọkụ ọkụ nke ihe mgbaze carbonate na electrolyte, nke ga-adị na obere okpomọkụ. Flash, enwere nnukwu ihe egwu nchekwa.

Ya mere, ọtụtụ ndị nchọpụta na-agbalị imeziwanye usoro electrolyte iji melite arụmọrụ nchekwa nke electrolytes. N&39;ọnọdụ ebe isi ihe dị na batrị (gụnyere ihe electrode, ihe diaphragm, ihe electrolyte) adịghị agbanwe n&39;ime obere oge, nkwụsi ike nke electrolyte bụ ụzọ dị mkpa iji kwalite nchekwa nke batrị lithium ion. 2.

2.1 Ihe mgbakwunye ọrụ mgbakwunye na-arụ ọrụ nwere obere usoro onunu ogwu, atụmatụ ezubere iche. Ya bụ, ọ nwere ike melite ụfọdụ arụmọrụ macroscopic nke batrị na-agbanweghị usoro mmepụta na-agbanweghị ma ọ bụ enweghị ụgwọ batrị ọhụrụ.

Ya mere, ihe mgbakwunye ọrụ aghọwo ebe na-ekpo ọkụ na batrị lithium-ion nke oge a, nke bụ otu n&39;ime ụzọ kachasị mma nke bụ ugbu a ihe ngwọta kasị mma nke lithium-ion batrị electrolyte. Isi ihe eji eme ihe mgbakwunye bụ igbochi okpomọkụ batrị ka ọ dị oke elu yana voltaji batrị na-ejedebe na oke njikwa. Ya mere, a na-atụlekwa nhazi nke ihe mgbakwunye site n&39;echiche nke okpomọkụ na ike ịchaji.

Mgbakwunye ire ọkụ: A nwekwara ike kewaa ihe mgbakwunye ire ọkụ ka ọ bụrụ organic phosphorus ire ere ihe mgbakwunye, ihe mgbakwunye ire ọkụ nwere nitrogen, ihe mgbakwunye ire ọkụ dabere na silicon, yana mgbakwunye ire ọkụ nwere ngwakọta. Nkeji 5 dị mkpa. Organic phosphorescell-ọkụ retardant: Ihe dị mkpa gụnyere ụfọdụ alkyl phosphate, alkyl phosphite, fluorinated phosphate, na phosphate nitrile ogige.

Usoro ọkụ na-egbochi ọkụ dị mkpa na mmeghachi omume yinye nke ụmụ irighiri ọkụ na-egbochi radicals hydrogen, nke a makwaara dị ka usoro radical free. Mgbakwunye gasification ire ere na-ahapụ phosphorus nwere free radicals, ike nke free radicals kwụsị a yinye mmeghachi omume. Igwe ọkụ ọkụ phosphate: phosphate dị mkpa, triethyl phosphate (TEP), tributyl phosphate (TBP), wdg.

Ngwakọta phosphate nitrile dị ka hexamethyl phosphazene (HMPN), alkyl phosphite dị ka trimethyl phosphite (TMPI), atọ - (2,2,2-trifluoroethyl), phosphite (TT- FP), fluorinated acid ester, dị ka atọ- (2,2,2-trifluoroethyl), (2, 2-trifluoroethyl), 2-phosphate (2, ethyl fluoroethyl), di phosphate (2, 2, 2-trifluoroethyl), di phosphate (2. phosphate (BMP), (2,2,2-trifluoroethyl) - diethyl phosphate (TDP), phenylphosphate (DPOF), wdg. bụ ezigbo ọkụ retardant mgbakwunye. Phosphate na-enwekarị nnukwu viscosity, nkwụsi ike nke electrochemical na-adịghị mma, yana mgbakwunye nke ire ọkụ na-eme ka ọkụ na-enwekwa mmetụta na-adịghị mma na ion conductivity nke electrolyte na ntụgharị ntụgharị nke electrolyte ka ọ na-abawanye refractiveness nke electrolyte.

Ọ bụ n&39;ozuzu: 1 carbon ọdịnaya nke ọhụrụ alkyl otu; 2 aromatic (phenyl) otu moiety dochie alkyl otu; 3 na-etolite usoro cyclic phosphate. Organic halogenated ihe (ihe mgbaze halogenated): organic halogen ọkụ retardant dị mkpa maka flu flu. Mgbe H jiri F dochie H, ihe anụ ahụ ya agbanweela, dị ka mbelata ebe mgbaze, mbelata viscosity, mmelite nke kemịkalụ na nkwụsi ike electrochemical, wdg.

The organic halogenic ire ọkụ retardant dị mkpa ịgụnye fluorocyclic carbonates, fluoro-chain carbonates na alkyl-perfluorodecane ether, wdg. OHMI na ndị ọzọ ntụnyere fluororethyl ether, fluoride nwere fluoride ogige gosiri na mgbakwunye nke 33.3% (mpịakọta ọnụ ọgụgụ) 0.

67 mol / lliclo4 / Ec + DEC + PC (olu ruru 1: 1: 1) electrolyte nwere a ọzọ High flash ebe, Mbelata nwere dị elu karịa organic mgbaze EC, DEC na PC, nke nwere ike ngwa ngwa na-etolite a SEI film n&39;elu nke eke graphite, melite mbụ ụgwọ na ihapu nke Cullen arụmọrụ na ihapu ikike. Fluoride n&39;onwe ya enweghị ojiji nke free radical njide ọrụ nke ire retardant akọwara n&39;elu, naanị itughari elu volatile na flammable co-solvents, ya mere, naanị olu ruru na electrolyte bụ ukwuu n&39;ime (70%) Mgbe electrolyte adịghị ọkụ. Ngwakọta ire ọkụ na-eme ka ọ dị iche iche: Ngwakọta ọkụ na-eme ka ọkụ na-eme ugbu a na electrolyte nwere PF compound na NP-class compound, ihe nnọchiteanya nwere ihe dị mkpa hexamethylphosphoride (HMPA), fluorophosphate, wdg.

Ọkụ retardant na-eme ka ire ọkụ na-ebelata mmetụta site na iji synergistic eji ihe abụọ na-egbochi ire ọkụ. FEI et al. Na-atụ aro abụọ NP ire retardants MEEP na MEE, na usoro mkpụrụ ndụ ya ka egosiri na Figure 1.

Licf3SO3 / MeEP: PC = 25:75, electrolyte nwere ike ibelata ire ọkụ nke 90%, na conductivity nwere ike iru 2.5 × 10-3S / cm. 2) Ihe mgbakwunye na-ebufe oke: Usoro mmeghachi omume na-eme mgbe batrị lithium-ion karịrị akarị.

Akụkụ electrolyte (nke dị mkpa bụ ihe mgbaze) na-agbanye elu nke mmeghachi omume oxidative n&39;elu nke electrode dị mma, a na-emepụta gas na oke okpomọkụ na-ahapụ, na-eme ka mmụba nke n&39;ime batrị batrị na elu okpomọkụ, na nchekwa nke batrị na-emetụta nke ukwuu. Site na usoro ebumnuche, ihe mgbakwunye nchebe overchaul dị mkpa maka ụdị ike ịpụpụ oxidative na ụdị abụọ nke ụdị polymerization eletrik. Site na ụdị mgbakwunye, enwere ike kewaa ya na lithium halide, metallocene compound.

Ka ọ dị ugbu a, ihe mgbakwunye mgbakwunye adaprase (BP) na cyclohexylbenzene (CHB) na mgbakwunye redox mgbochi overchard bụ ụkpụrụ mgbe chaja chaja karịrị voltaji cutoff nkịtị, mgbakwunye na-amalite na electrode dị mma. Mmeghachi omume oxidation, ngwaahịa oxidation na-agbasa na electrode na-adịghị mma, mmeghachi omume mbelata na-apụta. A na-emechi oxidation n&39;etiti okporo osisi ndị dị mma na nke na-adịghị mma, na-etinye ego na-abaghị uru.

Ihe ndị na-anọchi anya ya nwere ferrocene na ihe ndị sitere na ya, ferrid 2,2-pyridine na mgbagwoju nke 1,10-n&39;akụkụ glenoline, nke thiol. Polymerization na-egbochi mgbakwunye mgbochi jupụtara. Ihe nnọchi anya gụnyere cyclohexylbenzene, biphenyl na ihe ndị ọzọ.

Mgbe a na-eji biphenyl mee ihe dị ka ihe mgbakwunye na-ebu ụzọ kwụọ ụgwọ, mgbe voltaji ahụ ruru 4.5 ruo 4.7V, biphenyl agbakwunyere bụ electrochemically polymerized, na-eme ka oyi akwa nke ihe nkiri na-eduzi n&39;elu nke electrode dị mma, na-abawanye nguzogide n&39;ime batrị ahụ, si otú ahụ na-amachi batrị nchebe ugbu a.

2.2.2 Ion mmiri mmiri ion mmiri mmiri electrolyte bụ kpam kpam mejupụtara yin na cation.

Ebe ọ bụ na ion interi ion ma ọ bụ cationic na-adịghị ike, nke dị n&39;etiti adịghị ike, nkesa electron adịghị mma, na oan-censoon nwere ike nweere onwe ya ịkwaga na ụlọ okpomọkụ, nke bụ mmiri mmiri. Enwere ike kewaa ya na imidazole, pyrazole, pyridine, quaternary ammonium salt, wdg. E jiri ya tụnyere ihe mgbaze organic nkịtị nke batrị lithium ion, mmiri mmiri ionic nwere uru 5: 1 nkwụsi ike dị elu, 200 Celsius C enweghị ike ire ere; Nrụgide ikuku 2 fọrọ nke nta ka ọ bụrụ 0, echegbula maka batrị; 3 mmiri mmiri ionic adịghị mfe combusture Ọ dịghị corrosiveness; 4 nwere nnukwu ọkụ eletrik; 5 kemịkalụ ma ọ bụ nkwụsi ike electrochemical dị mma.

AN ma ọ bụ dị ka ụdị PP13TFSI na 1Mollipf6ec / Dec (1: 1) n&39;ime ihe electrolyte, nke nwere ike nweta kpamkpam na-abụghị mmanụ ụgbọala mmetụta, na tinye 2 wt% liboB mmako na usoro a budata mma interface ndakọrịta. Naanị nsogbu a ga-edozi bụ conductivity nke ion na usoro electrolyte. 2.

2.3 Ịhọrọ nkwụsi ike nke lithium nnu hexafluorophosphate (LiPF6) bụ nnu lithium electrolyte a na-ejikarị na batrị lithium-ion ngwa ahịa. Ọ bụ ezie na otu ọdịdị ya adịghị mma, arụmọrụ ya n&39;ozuzu ya kachasị mma.

Otú ọ dị, LiPF6 nwekwara ọghọm ya, dịka ọmụmaatụ, LiPF6 bụ chemical na thermodynamically ejighị n&39;aka, na mmeghachi omume na-eme: LIPF (6S) → LIF (S) + PF (5G), mmeghachi omume emepụtara PF5 dị mfe ịwakpo ihe mgbaze organic na oxygen atom naanị na electrons, na-akpata na-emeghe akaghị polymerization na ether agbụ nke a dị oké njọ mmeghachi omume. Nnyocha e mere ugbu a banyere nnu electrolyte dị elu ka etinyere n&39;ubi nnu lithium organic. Ihe nnọchi anya dị mkpa na nnu nke boron, nnu lithium dabeere na imine.

LIB (C2O4) 2 (liboB) bụ nnu electrolyte arụpụtara ọhụrụ n&39;afọ ndị na-adịbeghị anya. Ọ nwere ọtụtụ ihe magburu onwe ya, okpomọkụ na-emebi 302 Celsius C, nwere ike ịmepụta ihe nkiri SEI siri ike na electrode na-adịghị mma. Meziwanye arụmọrụ nke graphite na ngwọta electrolytic dabeere na PC, mana viscosity ya buru ibu, ihe mgbochi nke ihe nkiri SEI guzobere [14].

Okpomọkụ ire ere nke LIN (SO2CF3) 2 (Litfsi) bụ 360 Celsius C, na ion conductivity na okpomọkụ nkịtị dị ntakịrị ala karịa LiPF6. The electrochemical kwụsie ike dị mma, na ọxịdashọn nwere bụ banyere 5.0V, nke bụ kasị organic lithium nnu, ma ọ Serious corrosion nke Al base set mmiri mmiri.

2.2.4 Polymer Electrolyte Ọtụtụ batrị lithium ion ngwa ahịa na-eji ihe mgbaze carbonate na-ere ọkụ na nke na-agbanwe agbanwe, ma ọ bụrụ na ntapu nwere ike ibute ọkụ.

Nke a bụ batrị lithium-ion dị ike nke ike dị elu, njupụta ume dị elu. Kama iji polymer electrolytes na-adịghị akwụwa aka ọtọ kama iji organic mmiri mmiri electrolytes na-ere ọkụ, ọ nwere ike imeziwanye nchekwa nke batrị lithium-ion nke ukwuu. Nnyocha nke polymer electrolyte, karịsịa gel-ụdị polymer electrolyte emewo ọganihu dị ukwuu.

Ugbu a, ejirila ya nke ọma na batrị lithium-ion azụmahịa. Dabere na nhazi ahụ polymer, gel polymer electrolyte dị mkpa na ụdị atọ ndị a: PAN dabeere polymer electrolyte, PMMA polymer electrolyte, PVDF dabeere polymer electrolyte. Otú ọ dị, ụdị gel-ụdị polymer electrolyte bụ n&39;ezie n&39;ihi nkwenye nke akọrọ polymer electrolyte na mmiri mmiri electrolyte kwenye, na gel-ụdị polymer batrị ka nwere ọtụtụ ọrụ na-arụ.

2.3 Ihe dị mma nwere ike ikpebi na ihe electrode dị mma bụ ihe na-adịghị akwụsị akwụsị mgbe ịchaji steeti voltaji dị n&39;elu 4V, ọ dịkwa mfe ịmepụta okpomọkụ gbazere na okpomọkụ dị elu iji decompose oxygen, oxygen na organic solvents nọgidere na-emeghachi omume dị ukwuu nke okpomọkụ na gas ndị ọzọ, belata nchekwa nke batrị [2, 17-19]. Ya mere, a na-ewere mmeghachi omume nke electrode dị mma na electrolyte dị ka ihe dị mkpa na-akpata okpomọkụ.

Banyere ihe nkịtị, melite usoro nchekwa nke nchekwa ya bụ mgbanwe mkpuchi. N&39;ihi na elu mkpuchi nke nti electrode ihe na MgO, A12O3, SiO2, TiO2, ZnO, SnO2, ZrO2, wdg, nwere ike ibelata mmeghachi omume nke Die +-n&39;azụ mma na electrolyte mgbe ibelata chromatography nke nti electrode, inhibiting na-adọ mgbanwe nke nti electrode umi.

Mee ka nkwụsi ike nhazi ya dịkwuo mma, belata nkwụsị nke nkwụsị nke cation na lattice, si otú ahụ belata mmeghachi omume nke abụọ nke usoro mgbasa ozi. 2.4 Carbon ihe eji eme ihe ugbu a na-eji ebe dị ala dị ala, ụgwọ dị elu na ikpo okwu na-ekpochapụ, obere ụgwọ na nkwụsịtụ ikpo okwu, nkwụsi ike dị elu nke okpomọkụ, ọnọdụ okpomọkụ dị mma dị mma, okpomọkụ dị elu dị elu, okpomọkụ dị elu, okpomọkụ dị elu.

Dị ka etiti oge carbon microspheres (MCMB), ma ọ bụ Li9Ti5o12 nke spinel Ọdịdị, nke dị mma karịa nkwụsi ike nhazi nke graphite laminated [20]. Usoro nke ugbu a na-emeziwanye arụmọrụ nke ihe carbon dị mkpa maka ọgwụgwọ elu (n&39;elu oxidation, elu halogenation, carbon cladding, metal cover, metal oxide, polymer cover) ma ọ bụ iwebata metal ma ọ bụ na-abụghị metal doping. 2.

5 Diaphragm a na-etinye ugbu a na batrị lithium-ion azụmahịa ka bụ ihe polyolefin, na adịghị ike ya dị mkpa bụ ọkụ na ntinye mmiri electrolytic adịghị mma. Iji merie ntụpọ ndị a, ndị nchọpụta ahụ agbalịwo ọtụtụ ụzọ, dị ka ịchọta ihe nkwụnye ọkụ ọkụ, ma ọ bụ gbakwunye obere Al2O3 ma ọ bụ SiO2 nanopowdia, nke ọ bụghị nanị na ọ nwere diaphragm na-emekarị, ma nweekwa nkwụsi ike nke okpomọkụ nke ihe dị mma electrode. jiri.

MIAO et al, polyimide nano anaghị kpara akpa site na usoro ịgbagharị electrostatic. Njiri mara DR na TGA pụtara na-egosi na ọ bụghị naanị na ọ ga-edobe nkwụsi ike nke okpomọkụ na 500 Celsius C, mana ọ nwekwara ike itinye ntinye electrolyte ka mma n&39;ihe metụtara diaphragm CELGARD. WANG et al kwadebere AL2O3-PVDF nanoscopic microporous membrane, nke na-egosipụta ezigbo electrochemical Njirimara na thermal nkwụsi ike, na-eju afọ nke lithium-ion batrị separators.

3 Nchịkọta ma na-atụ anya batrị lithium-ion maka ụgbọ ala eletrik na nchekwa ike, nke dị ukwuu karịa obere ngwa eletrọnịkị, na gburugburu ebe obibi na-agbagwoju anya. Na nchịkọta, anyị nwere ike ịhụ na nchekwa ya adịchaghị edozi ya, ma bụrụkwa ihe mgbochi teknụzụ ugbu a. Ọrụ na-esote kwesịrị ịdị omimi na mmetụta ọkụ nke batrị nwere ike ịkpata mgbe arụ ọrụ na-adịghị mma, ma chọta ụzọ dị irè iji melite arụmọrụ nchekwa nke batrị lithium ion.

Ka ọ dị ugbu a, iji ihe mgbaze nwere fluorine na ihe mgbakwunye ire ọkụ bụ ntụzịaka dị mkpa maka ịmepụta batrị lithium-ion ụdị nchekwa. Otu esi edozi arụmọrụ electrochemical na nchekwa dị elu ga-abụ nyocha nyocha n&39;ọdịnihu. Dị ka ihe atụ, a elu-arụmọrụ mejupụtara ire ọkụ retardant integral integrated set P, N, F, na CL, na organic mgbaze na-enwe elu esi esi, a elu flash point na-mepụtara, na ihe electrolytic ngwọta nke elu nchekwa arụmọrụ na-emepụta.

Ngwakọta ire ọkụ retardants, ihe mgbakwunye ọrụ abụọ ga-abụkwa usoro mmepe n&39;ọdịnihu. Banyere lithium ion batrị electrode ihe, elu chemical Njirimara nke ihe dị iche iche, ogo nke uche nke electrode ihe na ụgwọ na mwepu ikike bụ ekwekọghị, na ọ gaghị ekwe omume iji otu ma ọ bụ mmachi ọtụtụ electrode / electrolyte / mgbakwunye na niile batrị structural imewe. Ya mere, n&39;ọdịnihu, anyị kwesịrị ilekwasị anya na ịmepụta usoro batrị dị iche iche maka ihe electrode kpọmkwem.

N&39;otu oge ahụ, ọ na-emepekwa sistemu batrị lithium-ion polymer nwere nchekwa dị elu ma ọ bụ mmepe nke inorganic siri ike electrolyte nwere otu cation conductive na ngwa ngwa ion iga na elu thermostability. Tụkwasị na nke ahụ, imeziwanye arụmọrụ mmiri ionic, ịmepụta usoro sịntetik dị mfe ma dị ọnụ ala bụkwa akụkụ dị mkpa nke nyocha n&39;ọdịnihu.